Heres another Nes Emulator for windows:

HalfNES HalfNES v0.62 is released. HalfNES is an open-source emulator for the Nintendo Entertainment System, written in Java. Currently, it only runs as a standalone Java SE application.

Current Features:
- Joystick support through both Direct Input and xInput (thanks Zlika)
- Supports Mapper 0, 1, 2, 3, 4, 5, 7, 9, 10, 11, 19, 21, 22, 23, 24, 25, 26,
- 34, 38, 64, 66, 68, 69, 70, 71, 78, 87, 89, 93, 94, 97, 107, 118, 119, 140, 152,
- 0, 185, 200, 203, 226, 240, 246
- SRAM save support (no save states however)
- Accurate sound core
- Fast video code with NTSC filter (filter is still slow)
- Full screen support
- Cross-platform portable
- Added options dialog for easier remapping of keys

HalfNES v0.62 Changelog:
062 (3/25/2018)
first release in 2 years
fixed temp file creation issue
fixed Micro Machines
NSF and APU improvements

061 (2/16/2016)
Minor speed improvements and code cleanups
Improved VRC7 Envelopes again with values properly calculated from docs
Audio output is done in stereo now (though no interface to pan channels)
Build system changed to Maven
Framework for unit tests is begun (incl work on headless mode)
JavaFX UI for the RetroPi is included but not used by default.
(It needs more work for desktop use.)

download https://github.com/andrew-hoffman/halfnes

via http://www.emucr.com/2018/03/halfnes-v062.html